Hole saw adaptor



FIG. 1 is a perspective view of a hole saw adaptor;

FIG. 2 is a front elevational view of the hole saw adaptor of FIG. 1;

FIG. 3 is a rear elevational view of the hole saw adaptor of FIG. 1;

FIG. 4 is a left side elevational view of the hole saw adaptor of FIG. 1;

FIG. 5 is a right side elevational view of the hole saw adaptor of FIG. 1;

FIG. 6 is a top plan view of the hole saw adaptor of FIG. 1; and,

FIG. 7 is a bottom plan view of the hole saw adaptor of FIG. 1. 

CLAIM The ornamental design for a hole saw adaptor, as shown and described. 